/Engine/Source/Editor/UnrealEd/Public/Kismet2/Kismet2NameValidators.h
Helper method to see if object exists with this name in the blueprint. Useful for testing for name conflicts with objects create with Blueprint as their outer
True if name is not used by object in the blueprint, False otherwise
static bool BlueprintObjectNameIsUnique ( class [UBlueprint](API\Runtime\Engine\Engine\UBlueprint) * Blueprint, const [FName](API\Runtime\Core\UObject\FName) & Name )